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What is the Least Common Multiple of 18377 and 18381?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 18377 and 18381 is 337787637.

LCM(18377,18381) = 337787637

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Least Common Multiple of 18377 and 18381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18377 and 18381, than apply into the LCM equation.

GCF(18377,18381) = 1
LCM(18377,18381) = ( 18377 × 18381) / 1
LCM(18377,18381) = 337787637 / 1
LCM(18377,18381) = 337787637

Least Common Multiple (LCM) of 18377 and 18381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18377 and 18381. First we will calculate the prime factors of 18377 and 18381.

Prime Factorization of 18377

Prime factors of 18377 are 17, 23, 47. Prime factorization of 18377 in exponential form is:

18377 = 171 × 231 × 471

Prime Factorization of 18381

Prime factors of 18381 are 3, 11, 557. Prime factorization of 18381 in exponential form is:

18381 = 31 × 111 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 18377 and 18381.

LCM(18377,18381) = 171 × 231 × 471 × 31 × 111 × 5571
LCM(18377,18381) = 337787637